Submission #2203925
Source Code Expand
#include<cstdio> #include<algorithm> #define Mod 1000000007 struct node{ int c,w; }a[200001]; int n,X,Y,mini[200001],min1,min2=Mod,inv[200001],cnt[200001],sum;long long ans=1; bool in1[200001],in2[200001]; bool cmp(node x,node y){return x.w<y.w;} int main() { scanf("%d%d%d",&n,&X,&Y); inv[1]=1;for(int i=2;i<=n;++i)inv[i]=1ll*(Mod-Mod/i)*inv[Mod%i]%Mod; for(int i=2;i<=n;++i)inv[i]=1ll*inv[i-1]*inv[i]%Mod; for(int i=1;i<=n;++i)scanf("%d%d",&a[i].c,&a[i].w); std::sort(a+1,a+n+1,cmp); min1=a[1].w;for(int i=2;i<=n;++i)if(a[i].c!=a[1].c){min2=a[i].w;break;} for(int i=1;i<=n;++i){ if(!mini[a[i].c])mini[a[i].c]=a[i].w,cnt[a[i].c]++,in1[i]=1; else if(a[i].w+mini[a[i].c]<=X&&!in1[i])cnt[a[i].c]++,in1[i]=1; if(a[i].c==a[1].c)if(min2+a[i].w<=Y){ if(!in1[i])cnt[a[i].c]++; in2[a[i].c]=in1[i]=1; } if(a[i].c!=a[1].c)if(min1+a[i].w<=Y){ if(!in1[i])cnt[a[i].c]++; in2[a[i].c]=in1[i]=1; } } for(int i=1;i<=n;++i)if(in2[i]) sum+=cnt[i],ans=1ll*ans*inv[cnt[i]]%Mod; for(int i=2;i<=sum;++i)ans=1ll*ans*i%Mod; printf("%lld\n",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Colorful Balls |
User | vjudge2 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1075 Byte |
Status | AC |
Exec Time | 67 ms |
Memory | 4480 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&X,&Y); ^ ./Main.cpp:15:52: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=n;++i)scanf("%d%d",&a[i].c,&a[i].w); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
|
|
Set Name | Test Cases |
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Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 1 ms | 2176 KB |
00_example_02.txt | AC | 1 ms | 2176 KB |
00_example_03.txt | AC | 1 ms | 2176 KB |
01.txt | AC | 1 ms | 2176 KB |
02.txt | AC | 1 ms | 2176 KB |
03.txt | AC | 3 ms | 2304 KB |
04.txt | AC | 1 ms | 2176 KB |
05.txt | AC | 2 ms | 2304 KB |
06.txt | AC | 1 ms | 2176 KB |
07.txt | AC | 29 ms | 2944 KB |
08.txt | AC | 1 ms | 2176 KB |
09.txt | AC | 18 ms | 2560 KB |
10.txt | AC | 10 ms | 2432 KB |
11.txt | AC | 1 ms | 2176 KB |
12.txt | AC | 1 ms | 2176 KB |
13.txt | AC | 3 ms | 2304 KB |
14.txt | AC | 1 ms | 2176 KB |
15.txt | AC | 13 ms | 2688 KB |
16.txt | AC | 30 ms | 2944 KB |
17.txt | AC | 5 ms | 2304 KB |
18.txt | AC | 13 ms | 2432 KB |
19.txt | AC | 27 ms | 2688 KB |
20.txt | AC | 63 ms | 4480 KB |
21.txt | AC | 63 ms | 4480 KB |
22.txt | AC | 62 ms | 4480 KB |
23.txt | AC | 64 ms | 4480 KB |
24.txt | AC | 62 ms | 4480 KB |
25.txt | AC | 63 ms | 4480 KB |
26.txt | AC | 65 ms | 4480 KB |
27.txt | AC | 63 ms | 4224 KB |
28.txt | AC | 65 ms | 4480 KB |
29.txt | AC | 67 ms | 4480 KB |
30.txt | AC | 63 ms | 4480 KB |
31.txt | AC | 65 ms | 4480 KB |
32.txt | AC | 64 ms | 4480 KB |
33.txt | AC | 65 ms | 4480 KB |
34.txt | AC | 61 ms | 4480 KB |
35.txt | AC | 55 ms | 3840 KB |
36.txt | AC | 59 ms | 4480 KB |
37.txt | AC | 57 ms | 4224 KB |
38.txt | AC | 55 ms | 3712 KB |
39.txt | AC | 60 ms | 4480 KB |
40.txt | AC | 61 ms | 4480 KB |
41.txt | AC | 62 ms | 4480 KB |
42.txt | AC | 62 ms | 4480 KB |
43.txt | AC | 61 ms | 4480 KB |
44.txt | AC | 63 ms | 4480 KB |
45.txt | AC | 62 ms | 4480 KB |
46.txt | AC | 62 ms | 4480 KB |
47.txt | AC | 64 ms | 3328 KB |
48.txt | AC | 58 ms | 3328 KB |
49.txt | AC | 59 ms | 3328 KB |
50.txt | AC | 54 ms | 3968 KB |
51.txt | AC | 53 ms | 3840 KB |
52.txt | AC | 55 ms | 3328 KB |
53.txt | AC | 55 ms | 3328 KB |
54.txt | AC | 55 ms | 3328 KB |